package org.codehaus.plexus.resource.loader;

/*
 * The MIT License
 *
 * Copyright (c) 2004, The Codehaus
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of
 * this software and associated documentation files (the "Software"), to deal in
 * the Software without restriction, including without limitation the rights to
 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
 * of the Software, and to permit persons to whom the Software is furnished to do
 * so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

import java.net.URL;

import org.codehaus.plexus.resource.PlexusResource;

/**
 * @author <a href="mailto:trygvis@inamo.no">Trygve Laugst&oslash;l</a>
 * @version $Id$
 */
public class ThreadContextClasspathResourceLoaderTest
    extends AbstractResourceLoaderTest
{
    public void testLookupWithAAbsolutePathName()
        throws Exception
    {
        assertResource( "/dir/classpath.txt", "classpath.txt" );
    }

    public void testLookupWithARelativePath()
        throws Exception
    {
        assertResource( "dir/classpath.txt", "classpath.txt" );
    }

    public void testLookupWhenTheResourceIsMissing()
        throws Exception
    {
        assertMissingResource( "/foo.txt" );

        assertMissingResource( "foo.txt" );
    }

    public void testLookupWithANullThreadContextClassLoader()
        throws Exception
    {
        ClassLoader loader = Thread.currentThread().getContextClassLoader();

        Thread.currentThread().setContextClassLoader( null );

        assertMissingResource( "/dir/classpath.txt" );

        assertMissingResource( "dir/classpath.txt" );

        Thread.currentThread().setContextClassLoader( loader );
    }

    public void testPlexusResource()
        throws Exception
    {
        ResourceLoader resourceLoader = (ResourceLoader) lookup( ResourceLoader.ROLE );
        PlexusResource resource = resourceLoader.getResource( "/dir/classpath.txt" );
        assertNull( resource.getFile() );
        assertNull( resource.getURI() );
        URL url = Thread.currentThread().getContextClassLoader().getResource( "/dir/classpath.txt" );
        assertEquals( url, resource.getURL() );
        assertEquals( url.toExternalForm(), resource.getName() );
    }
}
